#include"iostream"
#include<vector>
#include<algorithm>
using namespace std;
int main()
{
    int n, m;
    cin >> n >> m;
    vector<int> num(n);
    for (int i = 0; i < n; i++)
    {
        cin >> num[i];
    }
    vector<vector<int>> grid(m, vector<int>(n / m));
    for (int i = 0,ans=1; i < m; i++)
    {
        for (int j = 0; j < n / m; j++)
        {
            grid[i][j] = ans;
            ans++;
        }
    }
    for (int j = 0; j < n / m; j++)
    {
        for (int i = 0; i < m; i++)
        {
            cout << grid[i][j] << endl;
        }
    }
    return 0;
}```